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Spatial spread-spectrum multiplexing for holographic data storage using random diffuser and circular spatial filter

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2 Author(s)
T. Ito ; Graduate Sch. of Inf. Sci. & Technol., Hokkaido Univ., Sapporo, Japan ; A. Okamoto

In this paper, we present a spatial spread-spectrum multiplexing scheme for holographic data storage by the combination of microscopic phase modulation onto an object beam with a random diffuser, and demodulation by phase-conjugate readout. To overcome the overlapping noise a circular spatial filter is inserted in the optical layout.

Published in:

CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005.

Date of Conference:

12-17 June 2005